Parking meter



FIG. 1 is a front elevation of a parking meter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevation as seen in the direction of line 3--3 in FIG. 2; and

FIG. 4 is an elevation as seen in the direction of line 4--4 in FIG. 2. 

The ornamental design for a parking meter, as shown and described. 